package com.zgh.zhongcan.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.zgh.zhongcan.common.R;
import com.zgh.zhongcan.entity.Category;
import com.zgh.zhongcan.service.CategoryService;
import net.bytebuddy.asm.Advice;
import org.apache.ibatis.annotations.Delete;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @author 时侍
 * @version 1.0
 **/
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    @PostMapping
    public R<String> save(@RequestBody Category category){
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        //分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper=new LambdaQueryWrapper<>();
        //添加排序条件，根据sort进行排序
        queryWrapper.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(pageInfo,queryWrapper);
        return  R.success(pageInfo);
    }

    /**
     * 根据id删除分类
     * @param ids
     * @return
     */
    @DeleteMapping//此处没有用rest风格传参方式
    public R<String> delete(Long ids){
        //categoryService.removeById(id);
        //判断分类有没有关联再删除
        categoryService.remove(ids);
        return R.success("分类信息删除成功");
    }

    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("修改分类信息成功");
    }

    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(category.getType()!=null,Category::getType,category.getType());
        //排序，如果顺序一样，按照更新时间降序排
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);
        return R.success(list);
    }
}
